Quick answer: 23 native plants for wet soil and rain gardens are native to Delaware, 20 with a live listing as of 16 Sep 2026.
23 species
- American holly Ilex opaca · 24 states
- Atlantic white cedar Chamaecyparis thyoides · 12 states
- Bald cypress Taxodium distichum · 16 states
- Canadian serviceberry Amelanchier canadensis · 17 states
- Cardinal flower Lobelia cardinalis · 37 states
- Common buttonbush Cephalanthus occidentalis · 23 states
- Common elderberry Sambucus nigra ssp. canadensis · 16 states
- Common hoptree Ptelea trifoliata · 12 states
- Common ninebark Physocarpus opulifolius · 22 states
- Cucumbertree Magnolia acuminata · 12 states
- Foxglove beardtongue Penstemon digitalis · 31 states
- Great blue lobelia Lobelia siphilitica · 32 states
- Great laurel Rhododendron maximum · 13 states
- Green ash Fraxinus pennsylvanica · 23 states
- Hollow Joe-pye weed Eutrochium fistulosum · 14 states
- Northern spicebush Lindera benzoin · 16 states
- Pin oak Quercus palustris · 18 states
- Scarlet beebalm Monarda didyma · 18 states
- Southern arrowwood Viburnum dentatum · 13 states
- Southern wax myrtle Morella cerifera · 8 states
- Swamp azalea Rhododendron viscosum · 7 states
- Swamp milkweed Asclepias incarnata · 25 states
- Swamp sunflower Helianthus angustifolius · 15 states